2,2'-Bipyridyl-3,3'-dicarboxylic acid CAS:4433-01-6 is made from 1,10-phenanthroline by oxidation, which is an organic compound with the formula C12H8N2O4. It is an off-white solid.

2,2'-Bipyridyl-3,3'-dicarboxylic acid is also bidentate ligand candidate to form complex with metal ion, which could be used as reaction catalyst or super-molecular chemistry research, also could be used as metal ion detector.

UCHEM has been supplying 2,2'-bipyridine derivatives for many years. The following symmetric substituted bipyridine dicarboxylic acid.